Using FT232RNL chip solution, high-speed communication is stable, reliable, and offers good compatibility. It adopts half-hole technology and features a compact design, making it convenient for users to weld, integrate, and embed. Supports serial communication rates from 300bps to 3Mbps. Onboard self-resetting fuse and ESD protection provide stable current and voltage output, protect against overcurrent and overvoltage, and ensure safe and stable operation. Built-in serial port transceiver indicator light allows real-time signal status monitoring. VCC jumper pad is provided; default setting is 3.3V TTL,可切换至5V by cutting and soldering. All functional pins of the chip are brought out to facilitate integration and secondary board usage. Features a Type-C interface for smooth, secure connection with anti-reverse polarity design. Product type: USB to UART TTL Level Supply voltage: 5V Serial port (TTL level): 3.3V/5V Communication rate: 300bps ~ 3Mbps Operating systems supported: Windows 7/8/8.1/10/11, Linux, Android, WinCE Color: Blue Material: PCB Package Contents: 1 x Serial Communication Module Note: Other items not included. Due to lighting effects and display differences, the color in the image may slightly vary from the actual product. Measurement error allowed is +/- 1-3cm.